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公开(公告)号：US11555304B2
公开(公告)日：2023-01-17
申请号：US17016422
申请日：2020-09-10
Applicant: TOTO LTD.
Inventor： Takumi Tsuchitani , Kenichi Nakamura , Yoshikazu Nakano
IPC: E03D11/08
Abstract: A flush toilet according to an embodiment includes a bowl part and a water storage part. The bowl part receives waste. The water storage part is formed on a bottom of the bowl part and is connected to a discharge channel. A first region that is connected to a discharge channel and a second region that is located on a front side of the first region are formed in the water storage part. A curvature of a curved surface of the water storage part that forms the first region in upward and downward directions is different.
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公开(公告)号：US20210095451A1
公开(公告)日：2021-04-01
申请号：US17015129
申请日：2020-09-09
Applicant: TOTO LTD.
Inventor： Kenichi Nakamura , Shinichi Urata , Hiroshi Hashimoto
Abstract: A flush toilet according to an embodiment includes a bowl part and a water storage part. The bowl part receives waste. The water storage part is formed on a bottom of the bowl part and stores a stored water. The water storage part includes a front surface part, a back surface part that is formed on a back side of the front surface part, and a pair of side surface parts that are formed between the front surface part and the back surface part. On at least one side surface part in the pair of side surface parts, a convex surface that protrudes toward another side surface part is formed.
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公开(公告)号：US20180195262A1
公开(公告)日：2018-07-12
申请号：US15865369
申请日：2018-01-09
Applicant: TOTO LTD.
Inventor： Hiroshi Hashimoto , Shinichi Urata , Shuichi Nagashima , Mayu Okubo , Shoko Imaizumi , Daisuke Yamamoto , Kenichi Nakamura , Takumi Tsuchitani
Abstract: A wash-out type toilet according to an embodiment includes a bowl that receives waste and a drainage water trap. The drainage water trap includes an inlet that is connected to a lower part of the bowl, a rise pipeline that is connected to the inlet and extends upward toward its own top part, a fall pipeline that extends downward toward an inlet of a drainage water pipe that is arranged on a floor surface, and an intermediate pipeline with an upstream-side portion that is connected to the rise pipeline and a downstream-side portion that is connected to the fall pipeline. Furthermore, the intermediate pipeline includes a retention surface that is formed to slope downward from an upstream side to a downstream side and temporarily retains waste at a time of toilet washing.
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公开(公告)号：US20180195261A1
公开(公告)日：2018-07-12
申请号：US15861795
申请日：2018-01-04
Applicant: TOTO LTD.
Inventor： Hiroshi Hashimoto , Shinichi Urata , Shuichi Nagashima , Mayu Okubo , Shoko Imaizumi , Daisuke Yamamoto , Kenichi Nakamura , Takumi Tsuchitani
IPC: E03D11/08
CPC classification number: E03D11/08
Abstract: A flush toilet according to an embodiment includes a main water guide channel, a bending water guide channel, a rim water guide channel, and a retention part. The bending water guide channel bends a flow direction of washing water supplied from the main water guide channel. The rim water guide channel causes the washing water to flow toward and to be spouted from a water spout part. The retention part is formed in at least the bending water guide channel. An upper part of the retention part is formed into an opened concave shape and the retention part retains a part of the washing water. Furthermore, the retention part is formed in such a manner that an upper end thereof on a downstream side is horizontal to a bottom surface of the water spout part or higher than the bottom surface of the water spout part.
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公开(公告)号：US20210095456A1
公开(公告)日：2021-04-01
申请号：US17016447
申请日：2020-09-10
Applicant: TOTO LTD.
Inventor： Jing Chen , Kenichi Nakamura , Hiroshi Hashimoto
IPC: E03D11/08
Abstract: A flush toilet according to an embodiment includes a bowl part, a rim part, a water spout port, and a water storage part. The bowl part receives waste. The rim part is formed on a top of the bowl part. The water spout port spouts a washing water from one side of the bowl part in leftward and rightward directions. The water storage part is formed on a bottom of the bowl part. The bowl part includes a guide part that causes the washing water to swirl from the one side to another side that is opposite to the one side and causes the washing water that swirls to the another side to flow into a back side of the water storage part.
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Patent Agency Ranking
公开(公告)号：US20210095455A1
公开(公告)日：2021-04-01
申请号：US17016422
申请日：2020-09-10
Applicant: TOTO LTD.
Inventor： Takumi Tsuchitani , Kenichi Nakamura , Yoshikazu Nakano
IPC: E03D11/08
Abstract: A flush toilet according to an embodiment includes a bowl part and a water storage part. The bowl part receives waste. The water storage part is formed on a bottom of the bowl part and is connected to a discharge channel. A first region that is connected to a discharge channel and a second region that is located on a front side of the first region are formed in the water storage part. A curvature of a curved surface of the water storage part that forms the first region in upward and downward directions is different.
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公开(公告)号：US20210095453A1
公开(公告)日：2021-04-01
申请号：US17015130
申请日：2020-09-09
Applicant: TOTO LTD.
Inventor： Kenichi Nakamura , Hiroshi Hashimoto , Jing Chen
Abstract: A flush toilet according to an embodiment includes a bowl part, a rim part, a water spout port, and a water storage part. The bowl part receives waste. The rim part is formed on a top of the bowl part. The water spout port spouts a washing water. The water storage part is formed on a bottom of the bowl part. A first region that is connected to a discharge channel and a second region that is located on a front side of the first region are formed in the water storage part. A main stream of the washing water that is spouted from the water spout port along the rim part swirls on the bowl part and flows into the first region.
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公开(公告)号：US20230138880A1
公开(公告)日：2023-05-04
申请号：US17887537
申请日：2022-08-15
Applicant: TOTO LTD.
Inventor： Chisato Sone , Kenichi Nakamura , Hiroshi Hashimoto , Yuichi Tsubone , Shigeru Okada , Kenichi Takano , Satoshi Yamazaki
Abstract: A flush toilet includes a bowl part, a drainage water trap part that is connected to a bottom part of the bowl part, and a water drainage socket that is connected to the drainage water trap part and includes an upper side water drainage socket that extends downward from the drainage water trap part, a back side R part that is connected to the upper side water drainage socket and changes a flow channel so that a washing water that flows from an upper side is directed to a front side, and a horizontal pipe that extends forward from the back side R part. The back side R part and the horizontal pipe include a water storage part that stores a part of washing water. The water storage part is arranged on a lower side of a back side lower end part of the drainage water trap part.
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公开(公告)号：US11332916B2
公开(公告)日：2022-05-17
申请号：US17015129
申请日：2020-09-09
Applicant: TOTO LTD.
Inventor： Kenichi Nakamura , Shinichi Urata , Hiroshi Hashimoto
Abstract: A flush toilet includes a bowl part and a water storage part. The bowl part receives waste. The water storage part is formed on a bottom of the bowl part and stores a stored water. The water storage part includes a front surface part, a back surface part that is formed on a back side of the front surface part, and a pair of side surface parts that are formed between the front surface part and the back surface part. On at least one side surface part in the pair of side surface parts, a convex surface that protrudes toward another side surface part is formed.
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公开(公告)号：US11326333B2
公开(公告)日：2022-05-10
申请号：US17016447
申请日：2020-09-10
Applicant: TOTO LTD.
Inventor： Jing Chen , Kenichi Nakamura , Hiroshi Hashimoto
IPC: E03D11/08
Abstract: A flush toilet according to an embodiment includes a bowl part, a rim part, a water spout port, and a water storage part. The bowl part receives waste. The rim part is formed on a top of the bowl part. The water spout port spouts a washing water from one side of the bowl part in leftward and rightward directions. The water storage part is formed on a bottom of the bowl part. The bowl part includes a guide part that causes the washing water to swirl from the one side to another side that is opposite to the one side and causes the washing water that swirls to the another side to flow into a back side of the water storage part.
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